Etching is a printmaking technique in art.

Etching may also refer to:

• Etching (microfabrication), a process in producing microelectronics

• Glass etching, a glass decoration technique

• Chemical milling, or industrial etching

• Photochemical machining, or photo etching

See also

• Eching (disambiguation)

• Etch (disambiguation)

• Chemical weathering of rocks

• Etcher (software), a utility used for writing image files

• Ion track, or "track etching"